[llvm] [InstCombine] Fold more 'fcmp' 'select' instrs idioms into 'fabs' (PR #83381)

[Nikita Popov via llvm-commits]

nikic wrote:

Is there anything preventing us from allowing FMF on loads? Or at least the nnan, ninf and nsz flags? (The others don't make much sense.)


https://github.com/llvm/llvm-project/pull/83381